ΔE 5.4, very close: most people won’t see a difference side by side. Signal Blue is a little darker, warmer than Steel Shadow.
Yes, for most jobs. Very close match (ΔE 5). Signal Blue is a little darker, warmer than Steel Shadow.
The same difference applies the other way round: Steel Shadow is a little lighter, cooler.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See Steel Shadow on the colour wheel See Signal Blue on the colour wheel
All matches: Steel Shadow equivalents · Signal Blue equivalents